RBC Downgrades Precision Castparts, Sees No Counter Bid To Berkshire's Price By: Benzinga via Benzinga September 21, 2015 at 11:47 AM EDT The share price of Precision Castparts Corp. (NYSE: PCP) has risen by almost 9 percent over the past three months. RBC ... Read More >> Related Stocks: Berkshire Hathaway Precision Castparts